Home / 30,781,628.80-46,143,574.80-11,625,258.40

Finding the Fourth Proportional to 30,781,628.80, 46,143,574.80 and 11,625,258.40

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Solution

The fourth proportional to 30,781,628.80, 46,143,574.80 and 11,625,258.40 is: 17,426,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,781,628.80 : 46,143,574.80 = 11,625,258.40 : x
  2. Step 2: Convert to fraction form
    30,781,628.80/46,143,574.80 = 11,625,258.40/x
  3. Step 3: Cross multiply
    30,781,628.80x = 46,143,574.80 × 11,625,258.40
  4. Step 4: Simplify right side
    30,781,628.80x = 536,430,980,549,728.31
  5. Step 5: Solve for x
    x = 536,430,980,549,728.31/30,781,628.80
  6. Step 6: Final answer
    x = 17,426,984.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.